| Magnitude | 7.7 |
| Alert | Extreme |
| Depth | 15.0 km |
| Coordinates | 36.534, 141.459 |
| UTC time | 1938-05-23 07:18:30.500 |
Earthquake details
Monday, May 23, 1938 Earthquake
The earthquake hit Japan on Monday, May 23, 1938 at 07:18 UTC with a magnitude of 7.7. The closest known location in the current dataset is Kitaibaraki (Japan - JP), about 69.4 km away. The epicenter is located at longitude 141.459 and latitude 36.534.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Extreme |
Earthquake map 1938-05-23
Closest countries
The 12 closest cities near the epicenter.
| Kitaibaraki | 69.4 km |
| Hitachi | 72.7 km |
| Iwaki | 77.0 km |
| Funaishikawa | 80.2 km |
| Hitachi-ota | 83.3 km |
| Hitachi-Naka | 84.1 km |
| Katsuta | 84.6 km |
| Inada | 85.1 km |
| Mito | 92.6 km |
| Hitachiomiya | 94.5 km |
| Hokota | 94.7 km |
| Kashima-shi | 96.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
Iwaki
Japan · 2026-11-10 05:20 UTC
22.3 km
M 4.6
Iwaki
Japan · 2026-11-09 05:01 UTC
4.5 km
M 4.8
Iwaki
Japan · 2026-10-27 00:25 UTC
96.0 km
M 4.6
Minami-Sōma
Japan · 2026-09-14 10:59 UTC
119.5 km
M 4.7
Iwaki
Japan · 2026-08-15 01:10 UTC
81.0 km
M 4.2
Hitachi
Japan · 2026-08-07 18:41 UTC
72.6 km
M 4.4
Iwaki
Japan · 2026-07-22 11:11 UTC
76.3 km
M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
93.6 km
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